1999 Nissan Altra EV Speaker Sizes

The 1999 Nissan Altra EV speaker size chart provides factory and aftermarket speaker specifications for replacement or upgrade purposes. Information includes speaker locations within the audio system, such as front door panel and rear deck lid positions. Data covers factory-installed and compatible aftermarket options to assist with audio system modifications.

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Speaker Details by Location
Location Size Type Notes
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Deck Lid 6.5 Midbass / Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low

1999 Nissan Altra EV Speaker Replacement Summary

2 total positions
2 easy to replace
1 high priority
0 professional only

Replacement difficulty:

Low: 2 Medium: 0 High: 0

Replacement priority:

High: 1 Medium: 1 Low: 0

1999 Nissan Altra EV Radio Slot Size (DIN)

DIN Type Size (inch) Size (mm) Notes
Double DIN 7"×4" 180×100 Double size for modern multimedia systems with large touchscreens
  • Always measure the slot before purchasing a new radio
  • Check slot depth - it may vary

Additional Notes

  • The 1999 Nissan Altra EV uses 6.5 inch openings in both front door panels and rear deck locations, which creates straightforward replacement options since both positions accept the same physical size.
  • Both front and rear positions accommodate either midbass drivers or full-range speakers, giving flexibility in system design depending on whether a dedicated component setup or simpler full-range configuration is preferred.
  • Midbass drivers in these locations would typically handle frequencies from roughly 80Hz to 3kHz, requiring separate tweeters for higher frequencies, while full-range speakers would attempt to reproduce the entire audible spectrum from a single driver.
  • The front door panel placement generally provides better staging and imaging compared to rear positions, which might influence prioritization when upgrading speakers incrementally.
  • Rear deck installations in the 1999 Nissan Altra EV may face different acoustic challenges than door-mounted speakers, including reflections off the rear window and potential distance from listeners' ears.
  • The double DIN radio opening suggests the head unit can be replaced with aftermarket options that include built-in amplification or advanced signal processing to improve speaker performance.
  • Full-range speakers in the 6.5 inch size category often feature whizzer cones or coaxial tweeter designs to extend high-frequency response beyond what a standard midbass driver provides.
  • Matching impedance ratings between replacement speakers and the factory or aftermarket amplifier would be necessary to prevent power mismatch issues.